강우시 고속도로 노면 유출 오염부하 발생 특성 분석 (Relationship between Pollutant and Influence Factors in Highway runoff)

서지정보

· 발행기관 : 대한상하수도학회
· 수록지 정보 : 상하수도학회지 / 26권 / 1호 / 47 ~ 54페이지
· 저자명 : 강희만, 이두진, 배우근, 강혜진

초록

This study analyzed influence factors and the correlation among pollutants which affect occurrence of leaked pollution based on the long-term runoff flow and water quality investigation results to understand the characteristics of highway rainfall runoff pollution load.
According to the result of correlation analysis on TSS (Total Suspended Solid) concentration, anteceded dry days, rainfall intensity,traffic volume and etc. as major influence factors of highway rainfall runoff pollution loads, the correlations were weak or scarce in most items.
These results might be attributed that runoff pollutant concentration changes vary severely on changes of rainfall intensity and rainfall duration within rainfall and it is affected by disturbances of vehicles and street cleaning and etc. as characteristics of the highway.
While Cu, Fe and Zn which are discharged with high concentrations out of heavy metals showed high correlation with particulate matter, organic matter(COD), nutrient(TN, TP), Ni and Pb showed relatively low correlation in a correlation evaluation by pollutant.
Significant correlation with traffic volumes was not shown and TSS concentration even decreased in accordance with increase of the traffic volume.
In the comparison with precedent studies, it was considered necessary additional analysis of the effects of rainfall section analysis,road type, disturbances of surface contaminants by vehicles, rainfall and climate conditions, surrounding terrains etc.

영어초록

This study analyzed influence factors and the correlation among pollutants which affect occurrence of leaked pollution based on the long-term runoff flow and water quality investigation results to understand the characteristics of highway rainfall runoff pollution load.
According to the result of correlation analysis on TSS (Total Suspended Solid) concentration, anteceded dry days, rainfall intensity,traffic volume and etc. as major influence factors of highway rainfall runoff pollution loads, the correlations were weak or scarce in most items.
These results might be attributed that runoff pollutant concentration changes vary severely on changes of rainfall intensity and rainfall duration within rainfall and it is affected by disturbances of vehicles and street cleaning and etc. as characteristics of the highway.
While Cu, Fe and Zn which are discharged with high concentrations out of heavy metals showed high correlation with particulate matter, organic matter(COD), nutrient(TN, TP), Ni and Pb showed relatively low correlation in a correlation evaluation by pollutant.
Significant correlation with traffic volumes was not shown and TSS concentration even decreased in accordance with increase of the traffic volume.
In the comparison with precedent studies, it was considered necessary additional analysis of the effects of rainfall section analysis,road type, disturbances of surface contaminants by vehicles, rainfall and climate conditions, surrounding terrains etc.

참고자료

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